stein v Bernstein Litowitz Berger & Grossmann LLP, 814 F.3d 132, 139, quoting from an earlier Second Circuit's decision in a case called Lugosch v Pyramid Company of Onondaga, 435 F.3d 110, 119. The mere filing, however, of anything, whether it's some kind of a document or a letter with the court by itself doesn't rende